Smart Grid Control of Renewable-Based Commercial and Industrial Microgrid

A.M. Glazunova; D.V. Kovalchuk

doi:10.25729/esr.2026.02.0003

Authors

A.M. Glazunova Melentiev Energy Systems Institute SB RAS, Irkutsk, Russia
D.V. Kovalchuk Melentiev Energy Systems Institute SB RAS, Irkutsk, Russia

DOI:

https://doi.org/10.25729/esr.2026.02.0003

Keywords:

mercial and industrial microgrids, renewable energy, optimal control, active consumers, storage system, knapsack problem, demand response

Abstract

The study contributes a strategy for intelligent control of Russian commercial and industrial microgrids powered exclusively by renewable energy sources. Commercial and industrial microgrids are connected to the power system by a single transmission line, and the power flow through the line is subject to certain constraints. The power balance in commercial and industrial microgrids is maintained by on-site resources, including active consumers and energy storage systems. The control strategy minimizes power outages by optimally utilizing internal resources of commercial and industrial microgrids. The proposed strategy is based on the analysis of the actual and forecasted (six minutes ahead) state variables of a commercial and industrial microgrid. Once constraints are violated, control actions are computed by solving an optimization problem to distribute the responsibility for their implementation among active consumers and the battery energy storage system. This problem is formalized as a modified knapsack problem. Active consumers participate in the demand response program through promptly adjusting their power consumption. Case study simulations demonstrate the high performance of the proposed strategy in maintaining power balance in commercial and industrial microgrids.

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